As I added the NS32CG16 to MAME, i discovered there was significant documentation that did not exist online (or, at least I couldn't find it). Here's a repository of some of my old data:
github.com
mame-system-media/NS32CG16 at main · davidlrand/mame-system-media
Runnable disk and ROM media for the MAME drivers I've brought up - davidlrand/mame-system-media